Schneider Electric Compact NSX MicroLogic Trip Unit

Overview

The Schneider Electric MicroLogic trip unit for Compact NSX is the electronic protection and metering module fitted to Compact NSX molded case circuit breakers, providing configurable overcurrent, short-circuit, and ground fault protection along with optional power metering functions. For protection engineers across Oman and the GCC, the MicroLogic trip unit range lets a single NSX breaker frame be configured for anything from basic thermal-magnetic-equivalent protection up to advanced metering and communication capability.

Working closely with plant engineers in the region, Seven Star LLC proudly supplies the Schneider Electric Compact NSX MicroLogic Trip Unit electronic trip unit for Compact NSX circuit breakers to industrial, commercial, and utility customers across the Sultanate of Oman and the wider GCC. Each unit is supplied on request with full technical documentation and application support, helping panel builders and facility engineers in Oman specify their electronic trip unit for Compact NSX circuit breakers with confidence.

Operating Principle

The MicroLogic trip unit continuously samples current through the breaker’s internal current transformers and applies digital protection algorithms to determine when a trip condition, whether long-time overload, short-time or instantaneous short-circuit, or ground fault, has been reached. Because the protection curves are calculated digitally rather than through a fixed mechanical mechanism, thresholds and time delays can be precisely configured and adjusted to match a facility’s protection coordination study.

Higher-specification Schneider Electric MicroLogic trip units add true RMS power metering, capturing current, voltage, power, and energy values in addition to protection functions, and can communicate this data digitally when paired with a communication module. This dual protection-and-metering role reduces the number of separate devices needed at each distribution point, a design efficiency valued in the dense switchboards found in Oman’s industrial and commercial developments.

Engineering Design of the Schneider Electric MicroLogic Trip Unit

The MicroLogic trip unit mounts on the front face of the Compact NSX breaker frame and is designed for field replacement, allowing a breaker’s protection or metering capability to be upgraded without changing the mechanical breaker body itself. A front display and adjustment dials or buttons let protection engineers review settings, view real-time current values, and check trip history directly at the breaker.

Setting adjustments on the Schneider Electric MicroLogic trip unit can be secured with tamper-evident covers or password protection depending on the model, preventing unauthorized changes to protection thresholds once a coordination study has been implemented. Optional communication modules connect the trip unit’s metering and status data to EcoStruxure Power Monitoring Expert or other Modbus-based supervisory systems.

Key Features

The Schneider Electric Compact NSX MicroLogic Trip Unit is built around design priorities that matter most to electronic circuit breaker trip units specifiers in Oman and the GCC:

• The MicroLogic trip unit provides digitally configurable overcurrent, short-circuit, and ground fault protection.
• Field-replaceable design allows protection or metering capability to be upgraded without a new breaker frame.
• Higher-specification variants add true RMS power metering alongside protection functions.
• A front display and adjustment controls allow local setting review and real-time current monitoring.
• Tamper-evident covers and password protection secure settings after coordination studies are implemented.
• Optional communication modules integrate metering and status data into EcoStruxure Power Monitoring Expert.
• Precise digital protection curves simplify matching breaker settings to coordination study requirements.
• A common trip unit range spans multiple Compact NSX frame sizes for consistent specification across a project.

Industrial Applications

The Schneider Electric Compact NSX MicroLogic Trip Unit is specified in main and sub-main distribution boards across Oman’s industrial, commercial, and utility sectors, wherever precise, digitally configurable overcurrent and ground fault protection is required to satisfy a facility’s protection coordination study. Consulting engineers in Muscat frequently specify metering-capable MicroLogic variants to combine protection and sub-metering in one device at critical distribution points.

With fast quotation turnaround and technical support, Seven Star LLC distributes the Schneider Electric Compact NSX MicroLogic Trip Unit to panel builders, MEP contractors, and plant operators throughout Muscat, Sohar, and Salalah, supporting district cooling plants, RO desalination facilities, oil and gas installations, commercial towers, and hospital complexes across the GCC. Specifiers in Oman can source the Schneider Electric Compact NSX MicroLogic Trip Unit through our technical team, with lead time and availability confirmed at quotation.

Because Schneider Electric MicroLogic trip units are field-replaceable, panel operators in Oman can upgrade a Compact NSX breaker’s protection functions or metering capability at a later date without replacing the entire breaker frame. Seven Star LLC’s technical division advises panel builders in Muscat on selecting the correct MicroLogic trip unit variant to match project protection coordination studies.

Technical Specifications

The table below summarizes the key technical parameters of the Schneider Electric Compact NSX MicroLogic Trip Unit relevant to specification and procurement.

Request a Quote for Schneider Electric Compact NSX MicroLogic Trip Unit

Facility engineers and procurement teams in Oman and across the GCC can request a formal RFQ for the Schneider Electric Compact NSX MicroLogic Trip Unit directly from Seven Star LLC’s instrumentation and low-voltage division. We supply on request with lead time confirmed at quotation, provide the full technical datasheet on request, and offer pre-sales engineering support to confirm compatibility before order placement. With engineering support in Muscat, Seven Star LLC supports the Schneider Electric Compact NSX MicroLogic Trip Unit from specification and quotation through delivery, with technical support and spares sourced on request.

Related Products

• ABB VD4/P 12.12.40 Vacuum Circuit Breaker
• Siemens 5SY4510-7 SENTRON Miniature Circuit Breaker
• ABB VD4/P 12.40.40 Vacuum Circuit Breaker
• Schneider Electric Multi 9 DT40 Vigi RCBO
• Schneider Electric ComPacT NSX Communicating Circuit Breaker
• Schneider Electric Acti9 Vigi iC60 RCD Add-On Module